20200567634 has 24 divisors (see below), whose sum is σ = 33869417472. Its totient is φ = 9022581360.

The previous prime is 20200567633. The next prime is 20200567657. The reversal of 20200567634 is 43676500202.

It is a junction number, because it is equal to n+sod(n) for n = 20200567594 and 20200567603.

It is not an unprimeable number, because it can be changed into a prime (20200567631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 953474 + ... + 974429.

It is an arithmetic number, because the mean of its divisors is an integer number (1411225728).

Almost surely, 2^20200567634 is an apocalyptic number.

20200567634 is a deficient number, since it is larger than the sum of its proper divisors (13668849838).

20200567634 is a wasteful number, since it uses less digits than its factorization.

20200567634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927962 (or 1927949 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20200567634 in words is "twenty billion, two hundred million, five hundred sixty-seven thousand, six hundred thirty-four".